Americans are learning what electronics whizzes and hackers have known all along — that computers and smartphones, which make our lives more productive and entertaining, have at the same time ended privacy as most of us have understood it. Every e-mail, cellphone call, transferred ...

Whoever provided the initial leak to the Associated Press in April 2012 not only broke the law but caused the abrupt end to a secret, joint U.S./Saudi/British operation in Yemen that offered valuable intelligence against al-Qaida in the Arabian Peninsula. One goal was to ...